Home » Top 5 CSS Mistakes Every Web Designer Makes And How To Best Avoid Them

Top 5 CSS Mistakes Every Web Designer Makes And How To Best Avoid Them

by Victor

Cascading Style Sheets (CSS) is a critical component of a webpage’s structure.  It enables you to infuse a sense of style and design into a straightforward HTML layout. It handles everything from font families and colors to alignment and presentation.

Additionally, it is unquestionably one of the easiest and most straightforward programming languages to learn.  After all, what could be simpler than changing an element’s attributes by a simple list of properties written nearly entirely in English?

You can learn everything about CSS by taking a CSS tutorial for beginners.

However, despite its deceptively simple appearance, CSS is a complex system, particularly when utilized at a large scale.  Given the sheer amount of ways an element may be selected, let alone the number of attributes that can be applied to it, and then the way the presentation varies when numerous browsers and devices are involved, it’s easy to get tripped up by CSS.

Here are some of the most frequent errors made by web developers and how identifying and avoiding them may help you design more efficient and effective CSS!

How does CSS facilitate work?

The Cascading Style Sheet simplifies web page interaction.  It enables us to build the web page in such a way that it provides a positive user experience and enables the user to browse quickly.  Additionally, it portrays the web page in a manner that HTML alone cannot.  Additionally to its benefit, it makes the page slightly heavier, although it may also be utilized appropriately to regulate the web page’s size.

On the one hand, it simplifies work for users, and it simplifies implementation for web designers.  You may pick between inline, internal, or external CSS styles depending on the number of CSS codes you need to add.  Each form of styling provides a very simple technique for introducing style to a web page.


It lends the web page air of civility.  It improves the web page’s interaction platform, allowing users to feel more at ease when interacting with the online application.  There are several things that may be accomplished with CSS.  We’ll look at some of the typical benefits of CSS that make it such an integral aspect of web design and, more especially, user interface development.

  • Simplifies user interface: Occasionally, a web page created just using HTML appears to be a nightmare to work with. Enhances the web page’s amazement and makes it appear stylish and straightforward, allowing the user to concentrate on their task.
  • Decorate the web page: The Cascading Style Sheet language is used to enhance the appearance of the online page. CSS has a number of characteristics that may be used to create a web page’s design.
  • Customize the web page layout: It includes a variety of features that interact with the web page’s structure and transform it into the way the developer desires. It enables web designers to tailor the application’s interface to the target domain.
  • Simple to integrate: Because this offers us several benefits, it’s not even remotely difficult to integrate CSS and HTML. There are several methods for incorporating CSS into a web page, and any of them might be utilized rather quickly.
  • Simple coding: As previously said, CSS is not a programming language but rather a style language. There are a set and restricted amount of characteristics to memorize, which makes CSS writing quite simple.

Top CSS Mistakes

  1. Using Color Names Rather than Hexadecimal

By specifying the colour: blue, you are simply instructing the computer to display whatever shade of blue it believes is blue.  By doing so, you’re handing the browser power over how your web page should be presented, which is something you should never do as a developer.  By obliquely referring to the colour as blue, it can easily differ from the shade of blue you intended, and even worse, it can change between browsers.

Utilizing hexadecimal values, for example, colour: #4169E1, becomes a standard that all developers should follow.  It assures specificity, is compatible with all browsers, and gives you back control over how your web page is displayed.

  1. Invalid declarations and fallbacks

If you’re fortunate enough to have access to some of the more interesting, less-supported CSS3 properties, rejoice!  However, if you’re building on Chrome Canary’s shiniest new machine, the odds are that some of your users may require fallbacks for those capabilities.  A very typical poor practice is to entirely forget about fallbacks.

Do you have a fallback if you used rgba()?  Hopefully, you do; otherwise, your IE8 users will not see it.  Have you covered all necessary vendor prefixes?  Do you have a strategy for eliminating some of those prefixes in the future when they are no longer required?  This is where a preprocessor comes in handy by allowing you to write once and use it everywhere.

Along with the misuse of fallbacks, there are also far too many erroneous declarations made by coders.

CSS Lint can assist you in resolving this issue, and general knowledge may go a long way. If you see anything that does not appear to be correct while in the developer tools, remove it!

  1. Making a mess of your units

If your CSS has a combination of px, em, and rem for no apparent reason, it’s time to take action.  The font sizes are the first thing anyone will notice in someone’s style sheets.  Use ems to replace all font-size pixel units.  With pixel density becoming one of the only constants in consumer devices, em-based units of measurement return control over readability to the user.

If you believe you should be using ems but need a refresher, Ethan Marcotte’s classic book, Responsive Web Design, contains an excellent primer on the subject.

Additionally, if you’re not a fan of ems and their nested properties, rems (‘root em’ units) stay relative to the root element (often the html> element).  While the battle over the various components of the web continues, maintaining a standard course of action is critical for maintainability.

  1. Using IDs rather than Classes

The most compelling argument against IDs is that they are considerably more particular than classes, which makes it difficult to overwrite and expand your styles.  A class cannot replace the styles associated with an ID.  To “beat” the ID, you would either need to create additional IDs or use! important, which might result in specificity disputes inside your stylesheets.

In addition, unlike IDs, which are unique to each element, class selectors may be used for several HTML components on the same page.  The ability to reuse styles is one of CSS’s benefits.

To maintain a consistent norm, create styles and IDs using just class properties and integrate interactivity with Javascript.

  1. Composing Disorganized CSS

Rather than creating your styles exactly as they occur to you, do yourself a favor and properly arrange your code.  This ensures that the next time you return to edit your file, you can still navigate it.

  • Comment your CSS: A nice idea is to include a block of comments between logical parts in your stylesheet as well. This can assist you in rapidly locating various areas during a scan or even provide you with something to search for to hop directly to that portion of the CSS.  You don’t need to annotate every line of CSS, as most of it will be self-explanatory.  What you should comment on are the instances in which you made a certain choice for a reason.
  • Create Logical Sections in Your Stylesheet: It is a good idea to begin your stylesheet with all of the standard styling. This includes all of the styles that will typically apply to that element unless you do something extra with it.  Typically, you’ll have rules in place for the body, p, h1, h2, h3, links, and tables.  Following that, you may create a few utility classes or attributes that include information you know you’ll want to apply to a variety of different elements.  Finally, incorporate CSS for specific items, separated by context, page, or even component.


The exponential growth in internet users is expected to result in a rise in the number of websites.  And as demand increases, opportunity and growth for CSS applications will undoubtedly follow.  The need for web designers is expected to grow dramatically over the next several years, so get in touch with Web Design Leeds.

Additionally, those who work as web designers in any firm become quite adept in this technology and frequently work as freelancers as well.  Online portals such as Freelancer.com, Upwork.com, and others link freelancers with those looking to hire them.

Web design is also something that can be done remotely, which means that there is a strong possibility of obtaining contracts from overseas.  Hope this list of mistakes made you aware of the most common errors made by web designers, and it will help you in avoiding similar mistakes in the future.

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